Tracked live by the FAA, but its flight plan was first seen after takeoff, so we don't know the scheduled time and can't say whether it's late.

AMERICAN · FLIGHT AA 1670 LANDED 1:38 PM CT, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

AA 1670 · PHX → MSN

took off 8:46 AM MT · landed 1:38 PM CT (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 10h after departure

Odds over time

Arrive at MSN more than 15 minutes late?
31% chance · ±0 pts +11 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 15h 12h 6h Departs Lands